Home / 13,051.83-18,011.66-7,083.55

Finding the Fourth Proportional to 13,051.83, 18,011.66 and 7,083.55

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Solution

The fourth proportional to 13,051.83, 18,011.66 and 7,083.55 is: 9,775.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.83 : 18,011.66 = 7,083.55 : x
  2. Step 2: Convert to fraction form
    13,051.83/18,011.66 = 7,083.55/x
  3. Step 3: Cross multiply
    13,051.83x = 18,011.66 × 7,083.55
  4. Step 4: Simplify right side
    13,051.83x = 127,586,494.19
  5. Step 5: Solve for x
    x = 127,586,494.19/13,051.83
  6. Step 6: Final answer
    x = 9,775.37

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.